4th Grade Science Review

Front

What is an insulator?

Back

A material that does not allow electricity or heat to flow through it easily.

Front

What is a conductor?

Back

A material that allows heat or an electric current to flow through easily.

Front

What is volume?

Back

The amount of space that matter takes up.

Front

What is density?

Back

How dense something is compared with a reference material such as water.

Front

What is friction?

Back

The resistance that one surface or object encounters when moving over another.

Front

Which material is a good insulator of electricity?

Back

Plastic, glass, and wood are good insulators, while metal is not.

Front

What happens to an object with a density less than water?

Back

It will float.

Front

What happens to an object with a density greater than water?

Back

It will sink.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is the relationship between mass and volume?

Back

Density is calculated by dividing mass by volume.